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6-8 Math
Scholar (Ages 13-18)
Statistics — Mean, Median, Mode
Three ways to summarize a bunch of numbers — and why choosing the wrong one can mislead people (sometimes on purpose).
15 min
+15 XP
Probability Basics
What are the chances? Probability is the math of uncertainty — and it's everywhere from weather forecasts to poker to medical studies.
15 min
+15 XP